As Lujan recovers, President Biden and Democrats are working to nominate and confirm a new Supreme Court justice following news of Stephen Breyer's retirement.
Hundreds of former President Trump's supporters, spurred by his false claims about election fraud, temporarily stopped Congress from confirming Biden's victory.
Vance Callender has served as the top Homeland Security Investigations agent in Michigan and Ohio since 2020. He is under investigation for unknown reasons.
"It's already clear now ... that fundamental Russian concerns were ignored," Putin said at a press conference Tuesday, according to a Reuters translation.
Sen. Ben Ray Lujan, a Democrat, is "expected to make a full recovery" after suffering a stroke in his cerebellum, his chief of staff said in a statement.
The raid at the home of Vance Callender came two years after he was put in charge of agents in Michigan and Ohio for a division of the Homeland Security Department.
Republican-led super PACs outraised their Democratic rivals in the latter half of last year, giving them more firepower ahead of this year's midterm elections.
Biden reaffirmed his campaign vow to nominate a Black woman to replace Justice Stephen Breyer on the Supreme Court and plans to announce his choice this month.